From https://github.com/viritin/svg-visualizations * branch main -> FETCH_HEAD Already on 'main' Your branch is up to date with 'origin/main'. HEAD is now at 939d4f0 [maven-release-plugin] prepare for next development iteration $ mvn versions:set-property -Dproperty=vaadin.version -DnewVersion=25.2-SNAPSHOT -DgenerateBackupPoms=false -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml java 25-tem is already installed. Using java version 25-tem in this shell. [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for in.virit:svg-visualizations:jar:1.1.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 100, column 21 [WARNING] [WARNING] It is highly recommended to fix these problems because they threaten the stability of your build. [WARNING] [WARNING] For this reason, future Maven versions might no longer support building such malformed projects. [WARNING] [INFO] [INFO] --------------------< in.virit:svg-visualizations >--------------------- [INFO] Building svg-vizualizations 1.1.1-SNAPSHOT [INFO] from pom.xml [INFO] --------------------------------[ jar ]--------------------------------- [INFO] [INFO] --- versions:2.21.0:set-property (default-cli) @ svg-visualizations --- [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.683 s [INFO] Finished at: 2026-08-13T03:33:29Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.2-SNAPSHOT -DartifactId=vaadin-bom -DgenerateBackupPoms=false -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml java 25-tem is already installed. Using java version 25-tem in this shell. [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for in.virit:svg-visualizations:jar:1.1.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 100, column 21 [WARNING] [WARNING] It is highly recommended to fix these problems because they threaten the stability of your build. [WARNING] [WARNING] For this reason, future Maven versions might no longer support building such malformed projects. [WARNING] [INFO] [INFO] --------------------< in.virit:svg-visualizations >--------------------- [INFO] Building svg-vizualizations 1.1.1-SNAPSHOT [INFO] from pom.xml [INFO] --------------------------------[ jar ]--------------------------------- [INFO] [INFO] --- versions:2.21.0:set (default-cli) @ svg-visualizations --- [INFO] Searching for local aggregator root... [INFO] Local aggregation root: /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations [INFO] Processing change of in.virit:vaadin-bom:1.1.1-SNAPSHOT -> 25.2-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.263 s [INFO] Finished at: 2026-08-13T03:33:35Z [INFO] ------------------------------------------------------------------------ $ mvn clean verify -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml -DskipPerformanceValidation=true java 25-tem is already installed. Using java version 25-tem in this shell. [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for in.virit:svg-visualizations:jar:1.1.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 100, column 21 [WARNING] [WARNING] It is highly recommended to fix these problems because they threaten the stability of your build. [WARNING] [WARNING] For this reason, future Maven versions might no longer support building such malformed projects. [WARNING] [INFO] [INFO] --------------------< in.virit:svg-visualizations >--------------------- [INFO] Building svg-vizualizations 1.1.1-SNAPSHOT [INFO] from pom.xml [INFO] --------------------------------[ jar ]--------------------------------- [INFO] [INFO] --- clean:3.2.0:clean (default-clean) @ svg-visualizations --- [INFO] Deleting /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/target [INFO] [INFO] --- flatten:1.7.0:clean (flatten.clean) @ svg-visualizations --- [INFO] Deleting /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/.flattened-pom.xml [INFO] [INFO] --- resources:3.3.1:resources (default-resources) @ svg-visualizations --- [INFO] skip non existing resourceDirectory /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/src/main/resources [INFO] [INFO] --- flatten:1.7.0:flatten (flatten) @ svg-visualizations --- [INFO] Generating flattened POM of project in.virit:svg-visualizations:jar:1.1.1-SNAPSHOT... [INFO] [INFO] --- compiler:3.13.0:compile (default-compile) @ svg-visualizations --- [INFO] Recompiling the module because of changed source code. [INFO] Compiling 2 source files with javac [debug release 21] to target/classes [INFO] [INFO] --- resources:3.3.1:testResources (default-testResources) @ svg-visualizations --- [INFO] skip non existing resourceDirectory /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/src/test/resources [INFO] [INFO] --- compiler:3.13.0:testCompile (default-testCompile) @ svg-visualizations --- [INFO] Recompiling the module because of changed dependency. [INFO] Compiling 13 source files with javac [debug release 21] to target/test-classes [INFO] /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/src/test/java/org/vaadin/svgvis/it/SvgVisualizationsIT.java: /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/src/test/java/org/vaadin/svgvis/it/SvgVisualizationsIT.java uses or overrides a deprecated API. [INFO] /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/src/test/java/org/vaadin/svgvis/it/SvgVisualizationsIT.java: Recompile with -Xlint:deprecation for details. [INFO] [INFO] --- surefire:3.2.5:test (default-test) @ svg-visualizations --- [INFO] Using auto detected provider org.apache.maven.surefire.junitplatform.JUnitPlatformProvider [INFO] [INFO] ------------------------------------------------------- [INFO] T E S T S [INFO] ------------------------------------------------------- [INFO] Running org.vaadin.svgvis.RenderingPerformanceTest Loaded 948423 weather records === System Information === CPU Model: AMD EPYC-Rome Processor CPU Cores: 4 OS: Linux 6.8.0-137-generic Java: 25 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-08-13T01:15:37.942034476Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 03:34:15.589 [main] INFO com.vaadin.flow.server.DefaultDeploymentConfiguration -- Vaadin is running in production mode. === SparkLine draw() CPU Time Analysis === Measuring time to execute draw() with real components... Data Points | No Smoothing | Moving Avg | RDP -------------|----------------|----------------|---------------- 100 | 6.67 ms | 7.62 ms | 1.73 ms 1,000 | 6.33 ms | 2.86 ms | 3.28 ms 10,000 | 21.88 ms | 5.51 ms | 33.29 ms 49,871 | 31.85 ms | 5.93 ms | 36.41 ms 97,643 | 48.24 ms | 10.65 ms | 6.92 ms 495,995 | 288.76 ms | 47.16 ms | 66.49 ms 944,282 | 532.49 ms | 112.06 ms | 115.55 ms Note: Times include full SVG element creation and DOM operations. === WindRose draw() CPU Time Analysis === Measuring time to aggregate and draw WindRose with real components... Input Records | Aggregation | Draw | Total --------------|----------------|----------------|---------------- 1,000 | 442.5 µs | 1.46 ms | 1.90 ms 10,000 | 4.06 ms | 1.07 ms | 5.13 ms 50,000 | 17.16 ms | 2.00 ms | 19.16 ms 100,000 | 7.59 ms | 2.32 ms | 9.91 ms 500,000 | 43.94 ms | 2.39 ms | 46.33 ms 948,423 | 60.88 ms | 1.59 ms | 62.46 ms Note: WindRose aggregation is O(n), but draw is O(sectors) = O(1). === Scaling Behavior Analysis === Comparing how draw time scales with data size... Multiplier | Data Size | NONE (rel) | MovingAvg (rel) | RDP (rel) -----------|--------------|----------------|-----------------|---------------- 1x | 10,000 | 7.00 ms ( 1.2x) | 891.6 µs ( 1.3x) | 1.04 ms ( 1.0x) 2x | 19,996 | 21.26 ms ( 3.6x) | 2.01 ms ( 2.9x) | 1.03 ms ( 1.0x) 5x | 49,871 | 33.14 ms ( 5.6x) | 11.17 ms (16.2x) | 6.61 ms ( 6.1x) 10x | 97,643 | 68.67 ms (11.7x) | 7.75 ms (11.3x) | 4.21 ms ( 3.9x) 20x | 196,569 | 117.95 ms (20.1x) | 26.56 ms (38.6x) | 42.65 ms (39.7x) 50x | 495,995 | 289.03 ms (49.3x) | 34.51 ms (50.2x) | 41.12 ms (38.2x) Ideal O(n): time should grow linearly with multiplier. With smoothing: time for SVG creation is ~constant after reduction. === Output Size vs Draw Time === Comparing output point count and actual draw time... Input Points | MA Elements | MA Draw Time | RDP Elements | RDP Draw Time -------------|-------------|----------------|--------------|---------------- 1,000 | 5 | 257.7 µs | 5 | 215.4 µs 10,000 | 5 | 480.7 µs | 5 | 537.7 µs 97,643 | 5 | 10.91 ms | 5 | 6.98 ms 495,995 | 5 | 49.67 ms | 5 | 27.50 ms 944,282 | 5 | 127.78 ms | 5 | 51.34 ms Element count reflects SVG complexity after smoothing. === Multi-Series SparkLine Draw Time === Measuring draw time with multiple data series... Series Count | Moving Avg | RDP -------------|----------------|---------------- 1 | 4.47 ms | 4.25 ms 2 | 10.43 ms | 12.78 ms 3 | 24.93 ms | 39.29 ms 5 | 46.24 ms | 39.14 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 6.67 ms (baseline: 1.37 ms, +385.6%) ⚠️ sparkline.movingAvg.100: 7.62 ms (baseline: 1.66 ms, +358.0%) ⚠️ sparkline.rdp.100: 1.73 ms (baseline: 983.6 µs, +76.0%) ⚠️ sparkline.none.1000: 6.33 ms (baseline: 2.89 ms, +118.8%) ⚠️ sparkline.movingAvg.1000: 2.86 ms (baseline: 1.38 ms, +106.2%) ⚠️ sparkline.rdp.1000: 3.28 ms (baseline: 1.35 ms, +143.5%) ⚠️ sparkline.none.10000: 21.88 ms (baseline: 9.73 ms, +124.8%) ⚠️ sparkline.movingAvg.10000: 5.51 ms (baseline: 2.53 ms, +118.0%) ⚠️ sparkline.rdp.10000: 33.29 ms (baseline: 4.03 ms, +726.3%) ⚠️ sparkline.none.50000: 31.85 ms (baseline: 19.19 ms, +66.0%) ⚠️ sparkline.movingAvg.50000: 5.93 ms (baseline: 2.68 ms, +121.0%) ⚠️ sparkline.rdp.50000: 36.41 ms (baseline: 18.07 ms, +101.5%) ⚠️ sparkline.none.100000: 48.24 ms (baseline: 34.39 ms, +40.3%) ⚠️ sparkline.movingAvg.100000: 10.65 ms (baseline: 4.67 ms, +127.8%) ✓ sparkline.rdp.100000: 6.92 ms (baseline: 10.35 ms, -33.2%) ⚠️ sparkline.none.500000: 288.76 ms (baseline: 192.81 ms, +49.8%) ⚠️ sparkline.movingAvg.500000: 47.16 ms (baseline: 24.18 ms, +95.0%) ⚠️ sparkline.rdp.500000: 66.49 ms (baseline: 49.86 ms, +33.3%) ⚠️ sparkline.none.948423: 532.49 ms (baseline: 384.27 ms, +38.6%) ⚠️ sparkline.movingAvg.948423: 112.06 ms (baseline: 85.82 ms, +30.6%) ⚠️ sparkline.rdp.948423: 115.55 ms (baseline: 66.84 ms, +72.9%) windrose.aggregation.1000: 442.5 µs (baseline: 429.0 µs, +3.1%) ⚠️ windrose.draw.1000: 1.46 ms (baseline: 622.9 µs, +134.1%) ⚠️ windrose.aggregation.10000: 4.06 ms (baseline: 1.71 ms, +137.7%) ⚠️ windrose.draw.10000: 1.07 ms (baseline: 667.5 µs, +60.3%) ⚠️ windrose.aggregation.50000: 17.16 ms (baseline: 8.59 ms, +99.8%) ⚠️ windrose.draw.50000: 2.00 ms (baseline: 648.6 µs, +207.6%) ⚠️ windrose.aggregation.100000: 7.59 ms (baseline: 5.54 ms, +37.0%) ⚠️ windrose.draw.100000: 2.32 ms (baseline: 572.3 µs, +305.1%) ⚠️ windrose.aggregation.500000: 43.94 ms (baseline: 19.58 ms, +124.4%) ⚠️ windrose.draw.500000: 2.39 ms (baseline: 540.0 µs, +342.7%) ⚠️ windrose.aggregation.948423: 60.88 ms (baseline: 38.57 ms, +57.9%) ⚠️ windrose.draw.948423: 1.59 ms (baseline: 606.7 µs, +161.6%) ⚠️ scaling.none.1x: 7.00 ms (baseline: 4.21 ms, +66.2%) ✓ scaling.movingAvg.1x: 891.6 µs (baseline: 1.40 ms, -36.3%) ⚠️ scaling.rdp.1x: 1.04 ms (baseline: 712.1 µs, +46.4%) ⚠️ scaling.none.2x: 21.26 ms (baseline: 7.56 ms, +181.3%) ⚠️ scaling.movingAvg.2x: 2.01 ms (baseline: 1.28 ms, +57.5%) ✓ scaling.rdp.2x: 1.03 ms (baseline: 1.31 ms, -21.6%) ⚠️ scaling.none.5x: 33.14 ms (baseline: 17.27 ms, +91.9%) ⚠️ scaling.movingAvg.5x: 11.17 ms (baseline: 2.57 ms, +335.0%) ⚠️ scaling.rdp.5x: 6.61 ms (baseline: 2.52 ms, +162.6%) ⚠️ scaling.none.10x: 68.67 ms (baseline: 33.46 ms, +105.3%) ⚠️ scaling.movingAvg.10x: 7.75 ms (baseline: 4.25 ms, +82.5%) scaling.rdp.10x: 4.21 ms (baseline: 4.65 ms, -9.4%) ⚠️ scaling.none.20x: 117.95 ms (baseline: 76.19 ms, +54.8%) ⚠️ scaling.movingAvg.20x: 26.56 ms (baseline: 8.91 ms, +198.2%) ⚠️ scaling.rdp.20x: 42.65 ms (baseline: 10.43 ms, +308.9%) ⚠️ scaling.none.50x: 289.03 ms (baseline: 217.35 ms, +33.0%) ⚠️ scaling.movingAvg.50x: 34.51 ms (baseline: 24.02 ms, +43.7%) ⚠️ scaling.rdp.50x: 41.12 ms (baseline: 26.72 ms, +53.9%) multiseries.movingAvg.1series: 4.47 ms (baseline: 4.71 ms, -5.1%) ✓ multiseries.rdp.1series: 4.25 ms (baseline: 5.85 ms, -27.4%) multiseries.movingAvg.2series: 10.43 ms (baseline: 11.27 ms, -7.5%) multiseries.rdp.2series: 12.78 ms (baseline: 11.70 ms, +9.2%) ⚠️ multiseries.movingAvg.3series: 24.93 ms (baseline: 14.53 ms, +71.5%) ⚠️ multiseries.rdp.3series: 39.29 ms (baseline: 23.48 ms, +67.3%) ⚠️ multiseries.movingAvg.5series: 46.24 ms (baseline: 22.67 ms, +104.0%) multiseries.rdp.5series: 39.14 ms (baseline: 38.23 ms, +2.4%) Baseline saved to: /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/performance-baseline.properties [WARNING] Tests run: 6, Failures: 0, Errors: 0, Skipped: 1, Time elapsed: 45.87 s -- in org.vaadin.svgvis.RenderingPerformanceTest [INFO] Running org.vaadin.svgvis.unit.WindRoseTest [INFO] Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.018 s -- in org.vaadin.svgvis.unit.WindRoseTest [INFO] Running org.vaadin.svgvis.unit.SvgSparkLineTest [INFO] Tests run: 9, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.011 s -- in org.vaadin.svgvis.unit.SvgSparkLineTest [INFO] Running org.vaadin.svgvis.SessionWeightTest Loaded 948423 weather records for testing === DataPoints Session Weight Analysis === Measuring serialized size of SvgSparkLine.DataPoint lists... Data points: 100 -> Serialized: 2.3 KB (23.2 bytes/point) Data points: 1,000 -> Serialized: 21.6 KB (22.1 bytes/point) Data points: 10,000 -> Serialized: 215.0 KB (22.0 bytes/point) Data points: 49,871 -> Serialized: 1.0 MB (22.0 bytes/point) Data points: 97,643 -> Serialized: 2.0 MB (22.0 bytes/point) Data points: 495,995 -> Serialized: 10.4 MB (22.0 bytes/point) Data points: 944,282 -> Serialized: 19.8 MB (22.0 bytes/point) === WindRose Data Session Weight Analysis === WindRose aggregates data into fixed sectors, so weight is constant. Input records: 100 -> Aggregated to 16 sectors -> Serialized: 505 B Input records: 1,000 -> Aggregated to 16 sectors -> Serialized: 505 B Input records: 10,000 -> Aggregated to 16 sectors -> Serialized: 505 B Input records: 50,000 -> Aggregated to 16 sectors -> Serialized: 505 B Input records: 100,000 -> Aggregated to 16 sectors -> Serialized: 505 B Input records: 500,000 -> Aggregated to 16 sectors -> Serialized: 505 B Input records: 948,423 -> Aggregated to 16 sectors -> Serialized: 505 B Conclusion: WindRose weight is ~constant regardless of input size! === Session Weight Growth Comparison === Comparing growth patterns of different data storage approaches... Size | Raw Data | Before Draw | After Smooth | After Draw | WindRose -------------|----------------|----------------|----------------|----------------|---------- 1,000 | 259.4 KB | 21.6 KB | 1.2 KB | 58 B | 155 B 10,000 | 2.5 MB | 215.0 KB | 1.2 KB | 58 B | 155 B 100,000 | 25.3 MB | 2.1 MB | 1.2 KB | 58 B | 155 B 948,423 | 239.7 MB | 19.9 MB | 1.2 KB | 58 B | 155 B Key insight: After draw(), SparkLine clears all data - session weight is ~0! Data is only needed during draw(), SVG elements retain the visualization. === Raw Weather Data Session Weight === For comparison: size of raw RawWeatherStationData objects... Raw records: 100 -> Serialized: 26.4 KB (271 bytes/record) Raw records: 1,000 -> Serialized: 259.4 KB (266 bytes/record) Raw records: 10,000 -> Serialized: 2.5 MB (265 bytes/record) Raw records: 50,000 -> Serialized: 12.6 MB (265 bytes/record) Raw records: 100,000 -> Serialized: 25.3 MB (265 bytes/record) Raw records: 500,000 -> Serialized: 126.4 MB (265 bytes/record) Raw records: 948,423 -> Serialized: 239.7 MB (265 bytes/record) === RDP Algorithm Point Reduction === Measuring how RDP reduces data points while preserving shape... Input Points | RDP Points | Reduction | Serialized Size -------------|------------|-----------|---------------- 100 | 40 | 60.0% | 997 B 1,000 | 132 | 86.8% | 3.0 KB 10,000 | 84 | 99.2% | 1.9 KB 49,871 | 94 | 99.8% | 2.1 KB 97,643 | 95 | 99.9% | 2.2 KB 944,282 | 187 | 100.0% | 4.1 KB RDP preserves shape-significant points, so reduction varies with data complexity. [INFO] Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 20.22 s -- in org.vaadin.svgvis.SessionWeightTest [INFO] [INFO] Results: [INFO] [WARNING] Tests run: 24, Failures: 0, Errors: 0, Skipped: 1 [INFO] [INFO] [INFO] --- jar:3.5.0:jar (default-jar) @ svg-visualizations --- [INFO] Building jar: /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/target/svg-visualizations-1.1.1-SNAPSHOT.jar [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 01:16 min [INFO] Finished at: 2026-08-13T03:35:03Z [INFO] ------------------------------------------------------------------------